 | Discusses how we learn about dinosaurs and other prehistoric creatures by studying fossils, describes how fossils were formed, and offers theories about why dinosaurs disappeared. Includes glossary. |
 | Discusses how we learn about dinosaurs and other prehistoric creatures by studying fossils, describes how fossils were formed, and offers theories about why dinosaurs disappeared. Includes glossary. |
 | An illustrated compilation of unusual scientific facts ranging in topic from world records to some of the startling peculiarities of the earth and its inhabitants. |
 | An illustrated compilation of unusual scientific facts ranging in topic from world records to some of the startling peculiarities of the earth and its inhabitants. |
 | An illustrated compilation of unusual scientific facts ranging in topic from world records to some of the startling peculiarities of the earth and its inhabitants. |
 | |
 | |
 | |
 | |
 | |